linux-kernel - Re: btrfs crash when low on memory.

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Message-ID: <20130227132736.GH19641@localhost.localdomain>
Date:	Wed, 27 Feb 2013 08:27:36 -0500
From:	Josef Bacik <jbacik@...ionio.com>
To:	Dave Jones <davej@...hat.com>
CC:	Linux Kernel <linux-kernel@...r.kernel.org>,
	"linux-btrfs@...r.kernel.org" <linux-btrfs@...r.kernel.org>
Subject: Re: btrfs crash when low on memory.

On Tue, Feb 26, 2013 at 10:22:47PM -0700, Dave Jones wrote:
> Something I've yet to repeat managed to leak a whole bunch of memory
> while I was travelling, and locked up my workstation.
> 
> When I got home, this was the last thing printed out before it locked up
> (it did make it into the logs thankfully) after a bunch of instances of
> the oom-killers handywork.

Yeah we have a lot of

ptr = kmalloc();
BUG_ON(ptr);

everywhere.  I'll fix this one up but I really need to sit down and go through
all of them and make sure we do the right thing in all these places.  Thanks,

Josef
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